2005 Kia Optima L4-2.4LFACTORY OEM SERVICE PROCEDURE

Timer/Control Unit: Service and Repair

REMOVAL

1. Disconnect the negative (-) battery terminal.
2. Remove the lower crash pad.
3. Remove the bolts holding the ETACS module and disconnect the connectors.

INSTALLATION

Factory service manual diagram



1. Installation is the reverse of removal.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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